// The MIT License (MIT)
// Copyright © 2017 Ivan Vorobei (hello@ivanvorobei.by)
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.

import UIKit

extension UITabBarController {
    
    static var elementsColor: UIColor {
        get {
            if UITabBar.appearance().tintColor != nil {
                return UITabBar.appearance().tintColor
            } else {
                return SPNativeColors.blue
            }
        }
        set {
            UINavigationBar.appearance().tintColor = newValue
        }
    }
    
    func addTabBarItem(title: String, image: UIImage, selectedImage: UIImage? = nil, controller: UIViewController) {
        
        let tabBarItem = UITabBarItem(
            title: title,
            image: image,
            selectedImage: selectedImage ?? image
        )
        
        controller.tabBarItem = tabBarItem
        
        if self.viewControllers == nil { self.viewControllers = [controller] }
        else { self.viewControllers?.append(controller) }
    }
}
